Home / 18,395.32-25,385.22-10,011.88

Finding the Fourth Proportional to 18,395.32, 25,385.22 and 10,011.88

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Solution

The fourth proportional to 18,395.32, 25,385.22 and 10,011.88 is: 13,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.32 : 25,385.22 = 10,011.88 : x
  2. Step 2: Convert to fraction form
    18,395.32/25,385.22 = 10,011.88/x
  3. Step 3: Cross multiply
    18,395.32x = 25,385.22 × 10,011.88
  4. Step 4: Simplify right side
    18,395.32x = 254,153,776.41
  5. Step 5: Solve for x
    x = 254,153,776.41/18,395.32
  6. Step 6: Final answer
    x = 13,816.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.